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[amibroker] Why isn't my position size increasing?



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Hi,

Graham helped me with this the other day and I have been testing it
and I expected that the position size would increase as the equity()
increases but it isn't!

Here is my latest position sizing:
--------------------------------------
Risk         = 0.02;   //2% of capital
MinPer       = 0.07;   //7% of capital
MaxPer       = 0.10;   //10% of capital

Capital      = Ref(Equity(),-1)
MinTrade     = Capital * MinPer;
MaxTrade     = Capital * MaxPer;
RiskPS       = (Capital * Risk) / (BuyPrice - InitialStop);

PositionSize = Min(MaxTrade, RiskPS);

Buy = Signal AND PositionSize > MinTrade;
--------------------------------------

It uses % risk, a minimum trade size and a maximum trade size. Problem
is the position size does not increase as equity increases. The
maximum trade size is 10% of the "initial" equity as shown in the
Report.

Is this the way to increase (or decrease) position size based on your
capital please?

Thanks, Rangar




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